Home / 30,295.63-45,436.38-11,568.79

Finding the Fourth Proportional to 30,295.63, 45,436.38 and 11,568.79

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Solution

The fourth proportional to 30,295.63, 45,436.38 and 11,568.79 is: 17,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.63 : 45,436.38 = 11,568.79 : x
  2. Step 2: Convert to fraction form
    30,295.63/45,436.38 = 11,568.79/x
  3. Step 3: Cross multiply
    30,295.63x = 45,436.38 × 11,568.79
  4. Step 4: Simplify right side
    30,295.63x = 525,643,938.58
  5. Step 5: Solve for x
    x = 525,643,938.58/30,295.63
  6. Step 6: Final answer
    x = 17,350.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.